{
	var ret;

	goto a;


	b:
		ret += "b";
		goto c;

	a:
		ret += "a";
		goto b;

	c:
		ret += "c";

	goto d;

	e:
		ret += "e";
		goto f;

	d:
		ret += "d";
		goto e;


	f:
		ret += "f";

	return ret; //=> "abcdef"
}
